MICHIGAN ACADEMY OF SCIENCE. 
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Phleiim pratense L. Timothy. — Mostly about the lighthouse. Charity 
and Little Charity Islands. 
Sporobolus cryptandrus (Torr.) Gray. Sand dropseed. — Frequent on 
sand ridges and on the beach as a sand binder. Charity Island. 
Agrostis alba L. lied top.— Frequent in damp ground. Charity 
Island. 
Calamovilfa longifolia (Hook.) Hack. Long leaved reed-grass, — Com- 
mon on sand ridges and in sand on and near the upper beach, acting as 
a sand binder. Charity Island. 
Calamagrost is canadensis (Michx.) Beauv. Blue-joint grass. — Occa- 
sional in damp open places. Charity Island. 
AmmopMla arenaria (L.) Link. Sea sand-reed. — In drifting sand 
along the beach, acting as one of the best sand binders; abundant near 
the lighthouse. Charity Island. 
China arundinacea L. Wood reed grass. — Occasional in damp shaded 
ground. Charity Island. 
Koeleria cristata (L.) Pers. Koeleria. — Occasional on sand ridges. 
Charity Island. 
Deschampsia flexuosa (L.) Trin. Common hair-grass. — Frequent in 
shaded sandy ground. Charity Island. 
Danthonia spicata (L.) Beauv. Common wild oat grass. — Common 
on dry sandy open ground. Charity Island. 
Spartina michauxiana Hitclic. Slough grass. Tall marsh-grass. — In 
damp ground at the south end of Charity Island. 
Phragmites communis Trin. Keed. — About the pond and occasional 
in wet spots along the beach. Charity Island. In the latter place a 
root or underground stem more than 20 feet long was noticed running 
on the surface of the sand toward the water. 
Poa compressa L. Canada blue grass. Wire grass. English blue 
grass. — Frequent on dry sandy ground. Charity Island. 
Poa pratensis L. June grass. Kentucky blue grass. — Frequent, but 
nowhere abundant. Charity and Little Charity Islands. 
Festuca octoflora Whit. Slender fescue-grass. — Frequent in open 
sandy ground. Charity Island. 
Festuca or in a L. Sheep's fescue. — Frequent on sand ridges. Charity 
Island. 
Agropyron dasystachyum (Hook.) Scribn. Northern wheat-grass. — 
Occasional in sand along or near the upper beach especially near the 
lighthouse, Charity Island. A good sand binder. 
Agropyron canimun (L.) Beauv. Awned wheat-grass. — Occasional 
in open woods. Charity Island. 
Elymus canadensis L. Nodding wild rye.— Frequent on and near 
the upper beach as a sand binder. Charity and Little Charity Islands. 
Hystrix patula Moench. Bottle brush-grass. — Common in dump woods. 
Charity Island. 
Cyperus filiculmis Valil. Slender cyperus. — Occasional on poor dry 
ground. Charity Island. 
Dulichium arundinaceum (L.) Britton. Dulichium. — Occasional in 
very wet places. Noticed in particular about the pond. Charity Island. 
Eleocharis palustris (L.) IL & S. Creeping spike-brush. — Frequent 
in wet places, especially along the beach. Charity Island. 
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